Home / 1,605,023.03-2,214,923.63-869,974.34

Finding the Fourth Proportional to 1,605,023.03, 2,214,923.63 and 869,974.34

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Solution

The fourth proportional to 1,605,023.03, 2,214,923.63 and 869,974.34 is: 1,200,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,023.03 : 2,214,923.63 = 869,974.34 : x
  2. Step 2: Convert to fraction form
    1,605,023.03/2,214,923.63 = 869,974.34/x
  3. Step 3: Cross multiply
    1,605,023.03x = 2,214,923.63 × 869,974.34
  4. Step 4: Simplify right side
    1,605,023.03x = 1,926,926,707,735.16
  5. Step 5: Solve for x
    x = 1,926,926,707,735.16/1,605,023.03
  6. Step 6: Final answer
    x = 1,200,560.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.